1375910641 has 12 divisors (see below), whose sum is σ = 1611157440. Its totient is φ = 1171535400.

The previous prime is 1375910639. The next prime is 1375910651. The reversal of 1375910641 is 1460195731.

It is a happy number.

It is not a de Polignac number, because 1375910641 - 2¹ = 1375910639 is a prime.

It is a super-3 number, since 3×1375910641³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1375910641.

It is not an unprimeable number, because it can be changed into a prime (1375910611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85581 + ... + 100378.

It is an arithmetic number, because the mean of its divisors is an integer number (134263120).

Almost surely, 2^1375910641 is an apocalyptic number.

It is an amenable number.

1375910641 is a deficient number, since it is larger than the sum of its proper divisors (235246799).

1375910641 is a wasteful number, since it uses less digits than its factorization.

1375910641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186124 (or 186117 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 1375910641 is about 37093.2694838295. The cubic root of 1375910641 is about 1112.2354756509.

The spelling of 1375910641 in words is "one billion, three hundred seventy-five million, nine hundred ten thousand, six hundred forty-one".